Finding the Fourth Proportional to 2,842,317,929.48, 3,922,135,511.82 and 1,572,131,576.48
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Solution
The fourth proportional to 2,842,317,929.48, 3,922,135,511.82 and 1,572,131,576.48 is: 2,169,395,978.34
Step by Step Solution
- Step 1: Write the proportion equation
2,842,317,929.48 : 3,922,135,511.82 = 1,572,131,576.48 : x - Step 2: Convert to fraction form
2,842,317,929.48/3,922,135,511.82 = 1,572,131,576.48/x - Step 3: Cross multiply
2,842,317,929.48x = 3,922,135,511.82 × 1,572,131,576.48 - Step 4: Simplify right side
2,842,317,929.48x = 6,166,113,085,365,768,192 - Step 5: Solve for x
x = 6,166,113,085,365,768,192/2,842,317,929.48 - Step 6: Final answer
x = 2,169,395,978.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.